Last frost date in Arbutus, MD
The average last frost in Arbutus is March 24. By April 4 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 21, which leaves 244 frost-free days. An early freeze before November 7 happens one year in ten.
- Safe after (10% risk)
- Apr 4
- Average first frost
- Nov 21
- Frost-free season
- 244 days
- Hard freeze (28°F) ends
- Mar 11
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2245°
- FriOct 2338°
- SatOct 2439°
- SunOct 2541°
- MonOct 2647°
- TueOct 2748°
- WedOct 2848°
Planting calendar for Arbutus
Windows count forward or back from the average frost dates above. Click a crop for dates across Maryland.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 8 | Mar 24 | Apr 4 | Nov 7 | Nov 21 | Dec 8 |
| Hard freeze, 28°F | Feb 24 | Mar 11 | Mar 26 | Nov 18 | Dec 5 | Dec 25 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Md Sci Center Baltimore (USW00093784) sits 5.2 miles from the center of Arbutus at 20 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Arbutus, MD?
The average last frost date in Arbutus is March 24, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 4.
When is the first frost in Arbutus?
The first frost in fall usually comes around November 21. One year in ten it arrives before November 7.
How long is the growing season in Arbutus?
About 244 days between the average last and first frost.
When should I plant tomatoes in Arbutus?
Plant tomato seedlings outside from March 31 to April 14. Start seeds indoors six to eight weeks earlier.
Nearby in Maryland
- CatonsvilleMar 24
- IlchesterApr 10
- ElkridgeApr 10
- BaltimoreMar 24
- SevernApr 10
- LochearnApr 2
- Glen BurnieApr 10
- Ellicott CityApr 2
- Milford MillApr 2
- PasadenaApr 10
- ColumbiaApr 5
- PikesvilleApr 2